// Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.
//
//   If the last word does not exist, return 0.
//
// Note: A word is defined as a character sequence consists of non-space characters only.
//
//   For example,
//   Given s = "Hello World",
// return 5.

// https://leetcode.com/problems/length-of-last-word/
/**
 * @param {string} s
 * @return {number}
 */
var lengthOfLastWord = function(s) {
  return s.trim().split(' ').slice(-1)[0].length;
};

console.log(lengthOfLastWord("Hello Worldx"))